a vinyl polymer used especially in paints or adhesives

the rheological characterics of polyvinyl acetate (pva)latex systems thickened with modified carboxymethyl hydroxypropyl cellulose(m-cmhpc) have been studied with rotational viscometer.

用旋转粘度计研究了改性羧甲基羟丙基纤维素（m-cmhpc）增稠聚醋酸乙烯（pva）乳液体系的流变特性。

using silane coupling agent to copolymer with vinyl acetate, the water resistance of the polyvinyl acetate emulsion is improved, and the compress strength is praised.

为改善聚醋酸乙烯乳液耐水性差的缺点，用硅烷偶联剂对其进行了改性，使其压缩剪切强度的干强度和湿强度均有显着的提高。

the results of tg indicate that blending polyvinyl acetate (pvac ) and polypropylene (pp) can improve the thermostability of pvac.

热重（tg）的结果表明，聚醋酸乙烯酯（pvac）与聚丙烯（pp）共混后，其热稳定性增加。

polyvinyl acetate was modified with appropriate water resistant modifier and bond intensifier.

通过选择适当的耐水改性剂和粘结增强剂对聚醋酸乙烯酯进行改性。

when preparing polyvinyl acetate emulsion (white glue) of low solid content (adding vb in small amounts (0.

制备低固含量（＜22%）的白乳胶（聚醋酸乙烯酯乳液）时，加入少量（白乳胶总质量的0。

the researching progress of modified polyvinyl acetate emulsion adhesive are reviewed, some proposals and prospects about the research of modified polyvinyl acetate emulsion are provided.

综述了国内外改性聚醋酸乙烯酯乳液胶粘剂的研究进展，并对聚醋酸乙烯酯乳液胶粘剂的改性研究提出了一些建议和展望。

a bacterial strain was isolated from soil using plate screening techniques with polyvinyl acetate as carbon and energy sources.

利用平板分离技术，以聚酯酸乙烯酯为能源和碳源从土壤中分离到一株菌。

test and analysis were made to investigate the influences of polyvinyl acetate on the strength of corrugated paper.

本文叙述了聚醋酸乙烯酯对瓦楞原纸强度影响的试验和分析。

the compound polyvinyl acetate latex paint has the similar properties to the homopolyvinyl acetate latex paint, but lower the cost.

所制得的复合型聚醋酸乙烯酯乳胶漆具备醋酸乙烯酯均聚物乳胶漆的优异性能，且降低了成本。

ps adhesive made from waste foamed ps can replace polyvinyl acetate emulsion adhesive, it has low cost and good performance.

收旧利废制成的ps胶，能替代白乳胶，成本低廉，性能优良。

the experimental method for modified copolymerization of polyvinyl acetate was presented and the optimal process conditions were set.

介绍了聚醋酸乙烯酯改性共聚的实验方法，确定了最佳工艺条件。

the method of emulsion polymerization was used to synthesize polyvinyl acetate resin by adding hard monomer_methyl methacrylate to modify it.

本论文采用乳液聚合的方法合成了聚醋酸乙烯树脂 ，并通过加入硬单体―甲基丙烯酸甲酯对其进行改性。

polyvinyl acetate emulsion was modified with special emulsifier aad copolymerization process to achieve an anti-freezing, waterproof and creep-resistant pvac emulsion adhesive.

本文介绍了采用特种乳化剂和共聚合的方法对聚醋酸乙烯酯乳液进行改性，研制出了抗冻、耐水、抗蠕变乳胶。

this paper introduces a new method to produce adhesives by use polyvinyl acetate emulsion as parent liquor.

介绍一种将聚醋酸乙烯乳液做为母液生产粘合剂的方法。

it has also studied that the modification of polyvinyl acetate emulsion (white glue) by blending it with the oxidized starch solution.

以及氧化淀粉液与聚醋酸乙烯酯乳液（又名白乳胶）的复配改性；

polyvinyl acetate emulsion was synthesized by semi-continuous emulsion polymerization method.

采用半连续乳液聚合的方法合成聚醋酸乙烯乳液。

as a result, the gelatin and polyvinyl acetate emulsion which have better performance possibility and work properties were chosen as consolidants for treating the sculptures.

通过以上研究，筛选出各项性能表现较好的明胶和聚醋酸乙烯乳液作为后土庙彩塑的修复加固材料。

polyvinyl acetate (pva): a flexible cold melt adhesive made from synthetic resins. it has low initial tack but good penetration and excellent flexibility.

聚乙烯醇：用人造树脂制成的柔韧冷胶。它的粘度初时很低，但渗透度高和十分柔韧。